70823726 has 4 divisors (see below), whose sum is σ = 106235592. Its totient is φ = 35411862.

The previous prime is 70823653. The next prime is 70823729. The reversal of 70823726 is 62732807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62732807 = 89 ⋅704863.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70823729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17705930 + ... + 17705933.

It is an arithmetic number, because the mean of its divisors is an integer number (26558898).

Almost surely, 2^70823726 is an apocalyptic number.

70823726 is a deficient number, since it is larger than the sum of its proper divisors (35411866).

70823726 is a wasteful number, since it uses less digits than its factorization.

70823726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35411865.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 70823726 is about 8415.6833352973. The cubic root of 70823726 is about 413.7388062068.

The spelling of 70823726 in words is "seventy million, eight hundred twenty-three thousand, seven hundred twenty-six".